Wifi atheros card on linux

Last update on May 4, 2009 11:38 AM by netty5
Published by netty5

Wifi atheros card on linux








Most of laptops have the atheros wifi network adapter, but when you install some versions of linux like debian, the driver is not sometimes installed automatically.

These steps will help you for installing the wifi atheros driver:

The deposits


First of all you will have open the root command in admin mode
In a first step is to add the repositories in: 

/etc/apt/source.list


nano /etc/apt/sources.list



For Debian 4.0 Etch 

Deb http://security.debian.org/ etch/updates main contrib.
deb-src http://security.debian.org/ etch/updates main contrib

deb ftp://ftp.fr.debian.org/debian/ etch main non-free contrib
deb-src ftp://ftp.fr.debian.org/debian/ etch main non-free contrib


deb ftp://debian.marlow.dk/ sid madwifi
deb-src ftp://debian.marlow.dk/ sid madwifi



For Debian 5.0 Lenny 

deb http://ftp.fr.debian.org/debian/ lenny main
deb-src http://ftp.fr.debian.org/debian/ lenny main

deb http://security.debian.org/ lenny/updates main
deb-src http://security.debian.org/ lenny/updates main
deb http://ftp.fr.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.fr.debian.org/debian/ lenny main contrib non-free



Then recharge: 

aptitude update

Linux headers


Installing the linux headers, to know the your version type: uname –r

This is an example: 

debian:~# uname -r
2.6.18-5-686
debian:~# aptitude install linux-headers-2.6.18-5-686

Madwifi tools


Then you have to install madwifi: 

aptitude install madwifi-tools madwifi-source


Extract the downloaded files in /usr/src 

cd /usr/src
tar xvjf madwifi.tar.bz2


or 

tar xzvf madwifi.tar.gz


You can delete this archive: 

rm -vfR madwifi.tar.bz2


or 

rm -vfR madwifi.tar.gz


To install madwifi: 
/usr/src/local/madwifi


cd /usr/src/modules/madwifi


make 
make install

Observation


By default, debian do not have the gcc pack. To install it type: 

aptitude install gcc



Loading the Modules


You just have to load these modules: 

update-modules
modprobe ath_pci

Verification


To verify if the wifi card is properly installed type: 

Iwconfig



Then you will notice: 

debian:~# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

sit0      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11g  ESSID:""
          Mode:Managed  Frequency:2.457 GHz  Access Point: Not-Associated
          Bit Rate:0 kb/s   Tx-Power:9 dBm   Sensitivity=0/3
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=0/94  Signal level=-95 dBm  Noise level=-95 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0


All you have to do now is to configure your internet connection.
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